NF C23-520:1995
Electrical apparatus for potentially explosive atmospheres. Intrinsic safety "i".
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NF C23-520:1995
Standard No.
NF C23-520:1995
Release Date
1995
Published By
Association Francaise de Normalisation
Status
Be replaced
2004-04
Replace By
NF C23-520:2004
Latest
NF C23-579-11:2012
NF C23-579-11*NF EN 60079-11:2012
NF C23-520:1995 history
0000
NF C23-579-11:2012
2007
NF C23-579-11:2007
Explosive atmospheres - Part 11 : equipment protection by intrinsic safety "i".
2004
NF C23-520:2004
Electrical apparatus for potentially explosive atmospheres - Intrinsic safety "i".
1995
NF C23-520:1995
Electrical apparatus for potentially explosive atmospheres. Intrinsic safety "i".
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